時限(じげん)

じげん
noun, prefix
time limit; timed, time-limited
time-general
1. time limit, set period, class period
A fixed or designated period of time. In school contexts, it refers to a class period (first period, second period, etc.).
一(いち)時限(じげん)目(め)は数学(すうがく)だ。
First period is math.
今日(きょう)は三(さん)時限(じげん)まで授業(じゅぎょう)がある。
I have classes up to third period today.
2. timed, time-limited (as a prefix)
Used as a prefix to indicate that something is set to operate within a time limit or is triggered by a timer, as in a time bomb or time-limited legislation.
時限(じげん)爆弾(ばくだん)が仕掛(しか)けられているという通報(つうほう)があった。
There was a report that a time bomb had been planted.
この制度(せいど)は時限(じげん)措置(そち)として導入(どうにゅう)された。
This system was introduced as a time-limited measure.
時限(じげん)立法(りっぽう)は一定(いってい)期間(きかん)が過(す)ぎると自動的(じどうてき)に効力(こうりょく)を失(うしな)う。
Time-limited legislation automatically loses its force after a certain period has passed.
政府(せいふ)は復興(ふっこう)支援(しえん)のための時限(じげん)措置(そち)を五年間(ごねんかん)延長(えんちょう)することを決(き)めた。
The government decided to extend the time-limited reconstruction support measures by five years.

Usage

Sense 1 (class period): In Japanese schools, classes are numbered as 一(いち)時限(じげん) (first period), 二(に)時限(じげん) (second period), etc. The colloquial abbreviation 一(いち)限(げん), 二(に)限(げん) is also very common.

Sense 2 (time-limited prefix): 時限(じげん) is used as a prefix to mark something as having a built-in time limit:

Common collocations

Related Words

Compare: 時間目(じかんめ) (...th period (of a lesson))
general
Added 2026.2.23 19:49 · Revised 2026.9.2 13:01
13000/13098_jigen